US9718247B2 - Method for fabricating bubbler - Google Patents
Method for fabricating bubbler Download PDFInfo
- Publication number
- US9718247B2 US9718247B2 US14/676,904 US201514676904A US9718247B2 US 9718247 B2 US9718247 B2 US 9718247B2 US 201514676904 A US201514676904 A US 201514676904A US 9718247 B2 US9718247 B2 US 9718247B2
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- US
- United States
- Prior art keywords
- foaming
- paper
- hydrophilic
- utensil
- fabricating
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Classifications
-
- B31B1/74—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/742—Coating; Impregnating; Waterproofing; Decoating
- B31B50/747—Coating or impregnating blanks or webs
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/22—Polyalkenes, e.g. polystyrene
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/26—Aminoplasts
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/66—Coatings characterised by a special visual effect, e.g. patterned, textured
- D21H19/70—Coatings characterised by a special visual effect, e.g. patterned, textured with internal voids, e.g. bubble coatings
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/005—Mechanical treatment
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
- B31B2105/002—Making boxes characterised by the shape of the blanks from which they are formed
- B31B2105/0022—Making boxes from tubular webs or blanks, e.g. with separate bottoms, including tube or bottom forming operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2110/00—Shape of rigid or semi-rigid containers
- B31B2110/10—Shape of rigid or semi-rigid containers having a cross section of varying size or shape, e.g. conical or pyramidal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2120/00—Construction of rigid or semi-rigid containers
- B31B2120/50—Construction of rigid or semi-rigid containers covered or externally reinforced
-
- B31B2217/0023—
-
- B31B2217/062—
-
- B31B2217/082—
Definitions
- the present invention relates to a method for fabricating a bubbler and particularly to a method for fabricating a bubbler so that a three dimensional pattern area may be directly formed onto a surface of a utensil by using a hydrophilic PU foaming film without requiring a binding agent, so as to increase a fabricating speed and reduce a fabricating cost, and further have an increased thickness, a better hydrolysis proofing, a better scrape proofing, and a better heat isolation.
- a PP or PE or PS material is coated on a surface of the container as a foaming material, and then the container and the foaming material are concurrently basked to form a foaming layer on the container surface with the PP or PE material.
- the PE, PP or PS material being completely a plastic material usually has a poor foaming result when being baked.
- the PE material may be apt to fall off when being baked up to 120° C., and the PP material may be damaged.
- the foaming layer may usually have the shortcomings of a small thickness, a poor heat isolation effect, etc.
- the baked container may be filled with air holes or irregular surface topology, resulting in the demerits of vague pattern or color or difficult printing.
- Taiwan patent 1271364 disclosed an improved method for fabricating a paper made container with a heat isolation surface layer, where a composite coating material is formed by agitating and thus mixing a liquid binding agent (polyvinylacetate ethylene or polyvinylacetate) and thermally foaming particle powders (thermally copolymer with a low boiling point solvent covered inside).
- a liquid binding agent polyvinylacetate ethylene or polyvinylacetate
- thermally foaming particle powders thermoally copolymer with a low boiling point solvent covered inside.
- This liquid coating material is applied onto a surface of the paper made container and the container is then subject to a temperature of 100° C. to 140° C.
- the thermally foaming particle powders are provided to foam and the liquid binding agent is adhered to the surface of the paper made container, forming a foaming layer on the surface.
- the composite coating material in the patent is doped with the liquid binding agent of polyvinylacetate ethylene or polyvinylacetate having a concentration of 5% ⁇ 20%.
- the foaming layer is apt to fall off whenever encountering water owing to its material characteristics. Therefore, the conventional foaming material does not meet with the requirement for an actual use.
- the method for fabricating the bubbler comprises steps of (a) preparing a paper material, applying an extrusion coating on a first surface of the paper material laminating a polypropylene (PP) material onto the first surface of the paper material to form a PP film; (b) subjecting a second surface of the paper material to a screen printing process, screen printing a hydrophilic polyurethane (PU) foaming material onto the second surface of the paper material to form a hydrophilic PU foaming film; (c) color printing a print material onto the hydrophilic foaming film to form a pattern layer; (d) trimming the paper material to form a paper plate having a desired range; and (e) forming the paper plate as an utensil, and enabling the hydrophilic PU foaming film to form a three dimensional pattern area on a surface of the utensil by being heated and thus foaming with a heating temperature presenting when the utensil is formed.
- PP polypropylene
- the utensil is selected from a group consisting of a paper made cup, a paper made tray, and a paper made dinner pail.
- the color printing is in step (c) selected from a group consisting of an ultraviolet (UV) printing, an off-set printing, or a general ink printing.
- UV ultraviolet
- off-set printing or a general ink printing.
- step (e) is performed under the temperature of from 250 to 350° C. for less than two seconds to enable the hydrophilic PU foaming film to completely foam.
- the hydrophilic PU foaming film becomes to have a thickness of at least six times after being heated within the short time period to form the three dimensional pattern area.
- FIG. 1 is a schematic diagram of an extrusion coating according to the present invention
- FIG. 2 is a schematic diagram of a screen printing according to the present invention.
- FIG. 3 is a schematic diagram of a color printing according to the present invention.
- FIG. 4 is a schematic diagram of a paper material trim according to the present invention.
- FIG. 5 is a schematic diagram of a concurrent forming and foaming according to the present invention.
- FIG. 6 is a schematic diagram of a cross sectional view of a bubbler according to an embodiment of the present invention.
- FIG. 1 through FIG. 6 a schematic diagram of an extrusion coating according to the present invention, a schematic diagram of a screen printing according to the present invention; a schematic diagram of a color printing according to the present invention, a schematic diagram of a paper material trim according to the present invention, a schematic diagram of a concurrent forming and foaming according to the present invention, and a schematic diagram of a cross sectional view of a bubbler according to an embodiment of the present invention are shown, respectively.
- a paper material 10 is prepared, an extrusion coating process is applied onto a first surface 101 of the paper material 10 , a polypropylene (PP) material is laminated onto the first surface 101 of the paper material 10 to form a PP, PE or CPET film 2 , as is shown in FIG. 1 .
- PP polypropylene
- a second surface 102 of the paper material 10 is subject a screen printing process, a hydrophilic polyurethane (PU) foaming material is screen printed onto the second surface 102 of the paper material 10 to form a hydrophilic PU foaming film 3 .
- PU polyurethane
- a print material is color printed onto the hydrophilic foaming film 3 to form a pattern layer 4 by using a ultraviolet (UV) printing, an off-set printing, or a general ink printing.
- UV ultraviolet
- the paper material is trimmed to form a paper plate 10 a having a desired range, as is shown in FIG. 4 .
- the paper plate 10 a is formed as an utensil 1
- the hydrophilic PU foaming film 3 is enabled to form a three dimensional pattern area on a surface of the utensil by being heated and thus foaming with a heating temperature presenting when the utensil 1 is formed, where the temperature is provided from 250 to 350° C. for less than two seconds to enable the hydrophilic PU foaming film 3 to completely foam, thereby forming a three dimensional pattern area 3 a on a surface of the utensil 1 , as is shown FIG. 5 .
- the hydrophilic PU foaming film 3 becomes to have a thickness of at least six times after being heated within the short time period to form the three dimensional pattern area 3 a.
- the three dimensional pattern area 3 a may be directly formed onto the surface of the utensil immediately by using the hydrophilic PU foaming film, without requiring an additional binding agent.
- such formed bubbler has the efficacies of an increased thickness, a better hydrolysis proofing, a better scrape proofing, and a better heat isolation.
- the utensil 1 may be a paper made cup, a paper made tray, or a paper made dinner pail, as is shown in FIG. 6 and the paper made cup in this embodiment as an example. As such, a novel method for fabricating a bubbler is completely provided.
- the method for fabricating a bubbler of the present invention may effectively overcome the shortcoming encountered in the prior art, in which the three dimensional pattern area may be directly formed onto the surface of the utensil by using the hydrophilic PU foaming film without requiring the binding agent, so as to increase a fabricating speed and reduce a fabricating cost, and further have an increased thickness, a better hydrolysis proofing, a better scrape proofing, and a better heat isolation.
- the present invention may be deemed as being more effective, practical, useful for the consumer's demand, and thus may meet with the requirements for a patent.
Abstract
A method for fabricating a bubbler is disclosed, which is performed by laminating a polypropylene (PP), PE, CPET film onto a paper material surface to form a PP, PE, CPET film, and then screen printing or coating a hydrophilic polyurethane (PU) material onto another surface of the paper material to form a hydrophilic PU foaming material, then color printing a print material onto the hydrophilic foaming film to form a pattern layer, trimming the paper material to form a paper plate having a desired range, and forming the paper plate as an utensil, and enabling the hydrophilic PU foaming film to form a three dimensional pattern area on a surface of the utensil by being heated and thus foaming with a heating temperature presenting when the utensil is formed, whereby a three dimensional pattern area may be directly formed onto a surface of a utensil.
Description
The present invention relates to a method for fabricating a bubbler and particularly to a method for fabricating a bubbler so that a three dimensional pattern area may be directly formed onto a surface of a utensil by using a hydrophilic PU foaming film without requiring a binding agent, so as to increase a fabricating speed and reduce a fabricating cost, and further have an increased thickness, a better hydrolysis proofing, a better scrape proofing, and a better heat isolation.
In fabricating a foaming material heat-isolated container, a PP or PE or PS material is coated on a surface of the container as a foaming material, and then the container and the foaming material are concurrently basked to form a foaming layer on the container surface with the PP or PE material.
However, the PE, PP or PS material being completely a plastic material usually has a poor foaming result when being baked. The PE material may be apt to fall off when being baked up to 120° C., and the PP material may be damaged. In this manner, when the PE and PP foaming material forms the foaming layer, the foaming layer may usually have the shortcomings of a small thickness, a poor heat isolation effect, etc. Furthermore, the baked container may be filled with air holes or irregular surface topology, resulting in the demerits of vague pattern or color or difficult printing.
Taiwan patent 1271364 disclosed an improved method for fabricating a paper made container with a heat isolation surface layer, where a composite coating material is formed by agitating and thus mixing a liquid binding agent (polyvinylacetate ethylene or polyvinylacetate) and thermally foaming particle powders (thermally copolymer with a low boiling point solvent covered inside). This liquid coating material is applied onto a surface of the paper made container and the container is then subject to a temperature of 100° C. to 140° C. The thermally foaming particle powders are provided to foam and the liquid binding agent is adhered to the surface of the paper made container, forming a foaming layer on the surface. In addition, the composite coating material in the patent is doped with the liquid binding agent of polyvinylacetate ethylene or polyvinylacetate having a concentration of 5%˜20%. However, the foaming layer is apt to fall off whenever encountering water owing to its material characteristics. Therefore, the conventional foaming material does not meet with the requirement for an actual use.
It is a main objet of the present invention to provide a method for fabricating a bubbler to overcome the shortcoming encountered in the prior art, so that a three dimensional pattern area may be directly formed onto a surface of a utensil by using a hydrophilic PU foaming film without requiring a binding agent, so as to increase a fabricating speed and reduce a fabricating cost, and further have an increased thickness, a better hydrolysis proofing, a better scrape proofing, and a better heat isolation.
According to the present invention, the method for fabricating the bubbler comprises steps of (a) preparing a paper material, applying an extrusion coating on a first surface of the paper material laminating a polypropylene (PP) material onto the first surface of the paper material to form a PP film; (b) subjecting a second surface of the paper material to a screen printing process, screen printing a hydrophilic polyurethane (PU) foaming material onto the second surface of the paper material to form a hydrophilic PU foaming film; (c) color printing a print material onto the hydrophilic foaming film to form a pattern layer; (d) trimming the paper material to form a paper plate having a desired range; and (e) forming the paper plate as an utensil, and enabling the hydrophilic PU foaming film to form a three dimensional pattern area on a surface of the utensil by being heated and thus foaming with a heating temperature presenting when the utensil is formed.
In an embodiment, the utensil is selected from a group consisting of a paper made cup, a paper made tray, and a paper made dinner pail.
In an embodiment, the color printing is in step (c) selected from a group consisting of an ultraviolet (UV) printing, an off-set printing, or a general ink printing.
In an embodiment, step (e) is performed under the temperature of from 250 to 350° C. for less than two seconds to enable the hydrophilic PU foaming film to completely foam.
In an embodiment, the hydrophilic PU foaming film becomes to have a thickness of at least six times after being heated within the short time period to form the three dimensional pattern area.
The present invention will be better understood from the following detailed descriptions of the preferred embodiments according to the present invention, taken in conjunction with the accompanying drawings, in which:
Referring to FIG. 1 through FIG. 6 , a schematic diagram of an extrusion coating according to the present invention, a schematic diagram of a screen printing according to the present invention; a schematic diagram of a color printing according to the present invention, a schematic diagram of a paper material trim according to the present invention, a schematic diagram of a concurrent forming and foaming according to the present invention, and a schematic diagram of a cross sectional view of a bubbler according to an embodiment of the present invention are shown, respectively.
At first, a paper material 10 is prepared, an extrusion coating process is applied onto a first surface 101 of the paper material 10, a polypropylene (PP) material is laminated onto the first surface 101 of the paper material 10 to form a PP, PE or CPET film 2, as is shown in FIG. 1 .
Next, a second surface 102 of the paper material 10 is subject a screen printing process, a hydrophilic polyurethane (PU) foaming material is screen printed onto the second surface 102 of the paper material 10 to form a hydrophilic PU foaming film 3.
Thereafter, a print material is color printed onto the hydrophilic foaming film 3 to form a pattern layer 4 by using a ultraviolet (UV) printing, an off-set printing, or a general ink printing.
Subsequently, the paper material is trimmed to form a paper plate 10 a having a desired range, as is shown in FIG. 4 .
Then, the paper plate 10 a is formed as an utensil 1, and the hydrophilic PU foaming film 3 is enabled to form a three dimensional pattern area on a surface of the utensil by being heated and thus foaming with a heating temperature presenting when the utensil 1 is formed, where the temperature is provided from 250 to 350° C. for less than two seconds to enable the hydrophilic PU foaming film 3 to completely foam, thereby forming a three dimensional pattern area 3 a on a surface of the utensil 1, as is shown FIG. 5 . At this time, the hydrophilic PU foaming film 3 becomes to have a thickness of at least six times after being heated within the short time period to form the three dimensional pattern area 3 a.
As such, the three dimensional pattern area 3 a may be directly formed onto the surface of the utensil immediately by using the hydrophilic PU foaming film, without requiring an additional binding agent. Furthermore, such formed bubbler has the efficacies of an increased thickness, a better hydrolysis proofing, a better scrape proofing, and a better heat isolation. The utensil 1 may be a paper made cup, a paper made tray, or a paper made dinner pail, as is shown in FIG. 6 and the paper made cup in this embodiment as an example. As such, a novel method for fabricating a bubbler is completely provided.
In summary, the method for fabricating a bubbler of the present invention may effectively overcome the shortcoming encountered in the prior art, in which the three dimensional pattern area may be directly formed onto the surface of the utensil by using the hydrophilic PU foaming film without requiring the binding agent, so as to increase a fabricating speed and reduce a fabricating cost, and further have an increased thickness, a better hydrolysis proofing, a better scrape proofing, and a better heat isolation.
From all these views, the present invention may be deemed as being more effective, practical, useful for the consumer's demand, and thus may meet with the requirements for a patent.
The above described is merely examples and preferred embodiments of the present invention, and not exemplified to intend to limit the present invention. Any modifications and changes without departing from the scope of the spirit of the present invention are deemed as within the scope of the present invention. The scope of the present invention is to be interpreted with the scope as defined in the claims.
Claims (5)
1. A method for fabricating a bubbler, comprising steps of:
(a) preparing a paper material, applying an extrusion coating on a first surface of the paper material laminating a polypropylene (PP) material onto the first surface of the paper material to form a PP film;
(b) subjecting a second surface of the paper material to a screen printing process, screen printing a hydrophilic polyurethane (PU) foaming material onto the second surface of the paper material to form a hydrophilic PU foaming film;
(c) color printing a print material onto the hydrophilic foaming film to form a pattern layer;
(d) trimming the paper material to form a paper plate having a desired range; and
(e) forming the paper plate as an utensil, and enabling the hydrophilic PU foaming film to form a three dimensional pattern area on a surface of the utensil by being heated and thus foaming with a heating temperature presenting when the utensil is formed.
2. The method for fabricating the bubbler as claimed in claim 1 , wherein the utensil is selected from a group consisting of a paper made cup, a paper made tray, and a paper made dinner pail.
3. The method for fabricating the bubbler as claimed in claim 1 , wherein the color printing in step (c) is selected from a group consisting of a ultraviolet (UV) printing, an off-set printing, or a general ink printing.
4. The method for fabricating the bubbler as claimed in claim 1 , wherein step (e) is performed under the temperature of from 250 to 350° C. for less than two seconds to enable the hydrophilic PU foaming film to completely foam.
5. The method for fabricating the bubbler as claimed in claim 1 , wherein the hydrophilic PU foaming film becomes to have a thickness of at least six times after being heated within the short time period to form the three dimensional pattern area.
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US14/676,904 US9718247B2 (en) | 2015-04-02 | 2015-04-02 | Method for fabricating bubbler |
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US14/676,904 US9718247B2 (en) | 2015-04-02 | 2015-04-02 | Method for fabricating bubbler |
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US9718247B2 true US9718247B2 (en) | 2017-08-01 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109159472A (en) * | 2018-10-25 | 2019-01-08 | 沈逸 | A kind of production method of Packaging Box |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970219A (en) * | 1975-03-03 | 1976-07-20 | Spitzer Joseph G | Aerosol containers for foaming and delivering aerosols and process |
US20070048848A1 (en) * | 2005-08-25 | 2007-03-01 | Sunsource Industries | Method, apparatus and system for biodiesel production from algae |
-
2015
- 2015-04-02 US US14/676,904 patent/US9718247B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970219A (en) * | 1975-03-03 | 1976-07-20 | Spitzer Joseph G | Aerosol containers for foaming and delivering aerosols and process |
US20070048848A1 (en) * | 2005-08-25 | 2007-03-01 | Sunsource Industries | Method, apparatus and system for biodiesel production from algae |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109159472A (en) * | 2018-10-25 | 2019-01-08 | 沈逸 | A kind of production method of Packaging Box |
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US20160288443A1 (en) | 2016-10-06 |
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